Zvi Mowshowitz is a member of the Magic: The Gathering Hall of Fame (inducted in 2007) and has written extensively about the game and its strategies. He’s been heavily involved with rationality for a long time. He’s also been a professional trader and market maker, in both traditional and non-traditional markets, and was CEO of the personalized medical startup MetaMed. Mowshowitz is an avid Internet writer, previously with The Dojo, Mindripper, Brainburst, StarCityGames, and then for the official Magic website MagicTheGathering.com. Today, he blogs at “Don’t Worry About the Vase.”